Finding the Fourth Proportional to 202,322.20, 283,665.80 and 202,322.20
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Solution
The fourth proportional to 202,322.20, 283,665.80 and 202,322.20 is: 283,665.80
Step by Step Solution
- Step 1: Write the proportion equation
202,322.20 : 283,665.80 = 202,322.20 : x - Step 2: Convert to fraction form
202,322.20/283,665.80 = 202,322.20/x - Step 3: Cross multiply
202,322.20x = 283,665.80 × 202,322.20 - Step 4: Simplify right side
202,322.20x = 57,391,888,720.76 - Step 5: Solve for x
x = 57,391,888,720.76/202,322.20 - Step 6: Final answer
x = 283,665.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.